'use strict'
const path = require('path')
const { config } = require('process')
const defaultSettings = require('./src/settings')

function resolve(dir) {
    return path.join(__dirname, dir)
}

const name = defaultSettings.title || 'vue Element Admin' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following method:
// port = 9527 npm run dev OR npm run dev --port = 9527
const port = process.env.port || process.env.npm_config_port || 9588 // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
    /**
     * You will need to set publicPath if you plan to deploy your site under a sub path,
     * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
     * then publicPath should be set to "/bar/".
     * In most cases please use '/' !!!
     * Detail: https://cli.vuejs.org/config/#publicpath
     */
    publicPath: (process.env.NODE_ENV === "development" ? "/" : "/admin"),
    outputDir: "../public/admin",
    assetsDir: "static",
    indexPath: './index.html',
    lintOnSave: process.env.NODE_ENV === "development",
    productionSourceMap: false,
    devServer: {
        disableHostCheck: true,
        host: '127.0.0.1',
        port: port,
        open: true,
        // host: "dc.tuobao.m.com",
        overlay: {
            warnings: false,
            errors: true
        },
        proxy: {
            // change xxx-api/login => mock/login
            // detail: https://cli.vuejs.org/config/#devserver-proxy

            //下面是通过process.env.VUE_APP_BASE_API 和 process.env.NODE_ENV的值来对应代理地址,系统中会自动根据测试环境或则正式环境修改请求路径,这里则自动代理到对应的域名中去
            [process.env.VUE_APP_BASE_API]: {
                target:"http://ls.civilized.com/",
                changeOrigin: true,
                pathRewrite: {
                    ["^" + process.env.VUE_APP_BASE_API]: "/adminapi"
                }
            },
            // [process.env.NODE_ENV]: {
            //   target: "http://dc.tuobao.m.com",
            //   changeOrigin: true,
            //   pathRewrite: {
            //     ["^" + process.env.VUE_APP_BASE_API]: "/adminapi"
            //   }
            // },
            // 'fileManagement': {
            //     target:"http://ls.civilized.com/",
            //     changeOrigin: true,
            //     pathRewrite: {
            //         ["^" + process.env.VUE_APP_BASE_API]: "/fileManagement"
            //     }
            // }
        },
        before: require('./mock/mock-server.js')
    },
    // configureWebpack: config => {
    //   if (process.env.NODE_ENV === "production") {
    //     config.mode = "production";
    //     config.optimization.minimizer = [
    //       new UglifyJsPlugin({
    //         uglifyOptions: {
    //           compress: {
    //             warnings: false,
    //             drop_console: true, //console
    //             drop_debugger: true,
    //             pure_funcs: ['console.log'] //移除console
    //           }
    //         }
    //       })
    //     ]
    //   }
    // },
    configureWebpack: config => {
        if (process.env.NODE_ENV === 'production') {
            config.optimization.minimizer[0].options.terserOptions.compress.drop_console = true
        }
    },
    configureWebpack: {
        // provide the app's title in webpack's name field, so that
        // it can be accessed in index.html to inject the correct title.
        name: name,
        resolve: {
            alias: {
                "@": resolve("src")
            }
        }
    },
    chainWebpack(config) {
        // it can improve the speed of the first screen, it is recommended to turn on preload
        // it can improve the speed of the first screen, it is recommended to turn on preload
        config.plugin("preload").tap(() => [{
            rel: "preload",
            // to ignore runtime.js
            // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
            fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
            include: "initial"
        }]);

        // when there are many pages, it will cause too many meaningless requests
        config.plugins.delete("prefetch");

        // set svg-sprite-loader
        config.module
            .rule("svg")
            .exclude.add(resolve("src/icons"))
            .end();
        config.module
            .rule("icons")
            .test(/\.svg$/)
            .include.add(resolve("src/icons"))
            .end()
            .use("svg-sprite-loader")
            .loader("svg-sprite-loader")
            .options({
                symbolId: "icon-[name]"
            })
            .end();

        config.when(process.env.NODE_ENV !== "development", config => {
            config
                .plugin("ScriptExtHtmlWebpackPlugin")
                .after("html")
                .use("script-ext-html-webpack-plugin", [{
                    // `runtime` must same as runtimeChunk name. default is `runtime`
                    inline: /runtime\..*\.js$/
                }])
                .end();
            config.optimization.splitChunks({
                chunks: "all",
                cacheGroups: {
                    libs: {
                        name: "chunk-libs",
                        test: /[\\/]node_modules[\\/]/,
                        priority: 10,
                        chunks: "initial" // only package third parties that are initially dependent
                    },
                    elementUI: {
                        name: "chunk-elementUI", // split elementUI into a single package
                        priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                        test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                    },
                    commons: {
                        name: "chunk-commons",
                        test: resolve("src/components"), // can customize your rules
                        minChunks: 3, //  minimum common number
                        priority: 5,
                        reuseExistingChunk: true
                    }
                }
            });
            // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
            config.optimization.runtimeChunk("single");
        });
    },
};